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Finding the Fourth Proportional to 358,789,969.80, 537,228,360.90 and 358,789,969.80

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Solution

The fourth proportional to 358,789,969.80, 537,228,360.90 and 358,789,969.80 is: 537,228,360.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,789,969.80 : 537,228,360.90 = 358,789,969.80 : x
  2. Step 2: Convert to fraction form
    358,789,969.80/537,228,360.90 = 358,789,969.80/x
  3. Step 3: Cross multiply
    358,789,969.80x = 537,228,360.90 × 358,789,969.80
  4. Step 4: Simplify right side
    358,789,969.80x = 192,752,147,383,014,496
  5. Step 5: Solve for x
    x = 192,752,147,383,014,496/358,789,969.80
  6. Step 6: Final answer
    x = 537,228,360.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.